<template>
  <router-view></router-view>
</template>

<script>
export default {
  name: "App",
  data(){
    return{
    }
  },
}
</script>

<!--scoped表示给当前元素设置作用域，只对当前组件内的元素生效-->
<style scoped>
.App{
  background-color: antiquewhite;
}

/*样式穿透*/
.App >>> .count{
  background-color: aqua;
}
</style>